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Monitoring of 20 kW Grid-Connected Photovoltaic System in Phitsanulok, Thailand
Journal
UTCC Engineering Research Papers
Publisher(s)
University of the Thai Chamber of Commerce
Date Issued
2005
Other Contributor(s)
University of the Thai Chamber of Commerce. School of Engineering
Abstract
This paper discusses the monitoring of a project demonstration of a 20 kW grid-connected photovoltaic system(GCPVS) in Phitsanulok, Thailand. The GCpVS was installed in order to evaluate the grid-connected photovoltaic technology, which operates under the real condition. The aim of the evaluation is to identify which type of solar modules will be appropriate for grid-connected power generation in Thailand's northern climatic conditions. The GCPVS consists of three sub-arrays (monocrystalline sub-arrays, CdTe thin-film sub-array and a-Si thin-film sub-arrays), which was each designed to generate equal electrical power (~7.2 kW), D.C. control cabinet ,2.5 kW battery back up, charging controller and three grid-connected type single phase inverters. Technical aspects of each sub-array in the GCPVS have been investigated in terms of sub-array DC voltage and ampere, AC voltage and ampere as well as total power yield. The efficiency of each sub-array was also analyzed, and taken into consideration. Since the operational data have been seriously monitored in August 2003, results show that the monocrystalline sub-array could generate total power yield up to 2.97 kWh/kWp/day whereas the total power yield of a-Si thin-film sub-array was about 0.84 kWh/kWp/day. But the data of CdTe thin-film was not available.
Subject(s)
ISSN
1906-1625
Access Rights
public
Rights
This work is protected by copyright. Reproduction or distribution of the work in any format is prohibited without written permission of the copyright owner.
Rights Holder(s)
University of the Thai Chamber of Commerce
Bibliographic Citation
Seree Kangwankit, Siriwanna Siriwat, Sirinuch Chindaruksa, Wanchai Chimchavee, Jompob Waewsak (2005) Monitoring of 20 kW Grid-Connected Photovoltaic System in Phitsanulok, Thailand. UTCC Engineering Research Papers.
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